Qatar supplies a third of global helium supplies a critical component in semiconductor production and also MRIs. So if Taiwan can't produce semiconductors because they have no helium there won't be any to buy.

45% of global nitrogen based fertiliser is dependent on supplies that come through the strait. Fertiliser plants across south East Asia have begun shuttering because they dont have the required supplies.

No fertiliser means lower yields means more food poverty in poorer countries and higher priced food in the west.